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PT6001
Single Cell Li-ion/Polymer Battery Protection IC
CR POWTECH (SHANGHAI) CO., LTD. WWW.CRPOWTECH.COM Page 1 PTBP01_DS_Rev EN 0.1
GENERAL DESCRIPTION
The PTBP01 battery protection IC is designed for protecting single cell lithium-ion/polymer battery from being damaged or overall lifetime degrading due to over-charge, over-discharge, and/or over-current condition. The ultra-small package and minimum required external components make it easy to integrate PTBP01 into the limited space available of any battery pack. The accurate ± 20mV overcharging detection voltage ensures safe and full battery capacity charging. The extremely low power-down quiescent current resulted in the device only drains insignificant current from the cell in storage stage.
With auto recovery function, the device is more users friendly to applications that encounters fault conditions in common.
APPLICATIONS
? Lithium-ion rechargeable battery packs
? Lithium-ion Polymer rechargeable battery packs
FEATURES
? High-precision Battery Voltage Detection:
? Overcharge Detection Voltage:
VOCP = 3.650 ~ 4.475V, Accuracy: ± 20mV ? Overcharge Release Voltage:
ΔVOCR = 0.05 ~ 0.25V
? Over-discharge Detection Voltage:
VODP = 2.1 ~ 3.3V, Accuracy: ± 80mV ? Over-discharge Release Voltage:
ΔVODR = 0 ~ 0.5V
? Discharge Overcurrent Detection Voltage:
VODIP = 0.05 ~ 0.25V, Accuracy: ± 10mV ? Charge Overcurrent Detection Voltage:
VOCIP = -0.05 ~ -0.25V, Accuracy: ± 20mV ? Load Short-circuiting Detection Voltage:
VODIP = 0.25~0.60V, Accuracy: ± 100mV
? High-withstanding-voltage device is used for charger connection pins: 28V
? 0V battery charging function or 0V battery charge
inhibiting function
? Sleep mode enable or disable
? Low current consumption
? Operation mode: 3.5μA (typ.), 6μA (max.)
? Power-down mode: 0.5μA (max.)
? Wide operating temperature range
? Auto recovery function
? Small package: SOT23-6
TYPICAL APPLICATIONS
PT6001
R 1 : 330 to 470
C1
Bat.
R 2 : 2.7K
BATT+
BATT-
M1
Li-on
M2
Figure1. PTBP01 Typical Application Circuit
PT6001
Single Cell Li-ion/Polymer Battery Protection IC
CR POWTECH (SHANGHAI) CO., LTD. WWW.CRPOWTECH.COM Page 2 PTBP01_DS_Rev EN 0.1
ORDER INFORMATION
PACKAGE
TEMPERATURE
RANGE
ORDERING PART
NUMBER
TRANSPORT MEDIA MARKING
SOT23-6 -40℃~85℃ PTBP01E23F-XX Tape and Reel 3000 units 6AXX
Note1: XX is showed for optional parameter as table1.
Part Number
[VOCP] (V)
[VOCR] (V)
[VODP] (V)
[VODR] (V)
[VODIP] (mV)
[VSCP] (mV)
[VOCIP] (mV)
[TOCP] (s)
[TODP] (ms)
[TODIP] (ms)
[TSCP] (μs)
[TOCIP] (ms)
PTBP01E23F-BA 3.650 3.450 2.100 2.300 150 500 -150 1.000 64 8 280 8
PTBP01E23F-AA 4.200 4.000 2.800 3.000 150 500 ?150 1.000 128 8 280 8
PTBP01E23F-AB 4.250 4.050 2.400 2.500 250 600 ?250 1.000 128 8 280 8
PTBP01E23F-AC 4.250 4.050 2.800 3.000 150 600 ?200 1.000 128 8 280 8
PTBP01E23F-AD 4.280 4.080 3.000 3.000 80 500 ?100 1.000 128 8 280 8
PTBP01E23F-AE 4.300 4.100 2.400 2.500 250 500 ?250 1.000 128 8 280 8
PTBP01E23F-AF 4.300 4.100 2.800 3.000 150 500 ?200 1.000 128 8 280 8
PTBP01E23F-AG 4.325 4.075 2.500 3.000 150 500 ?150 1.000 128 8 280 8
PTBP01E23F-AH 4.375 4.175 2.300 2.400 150 500 ?150 1.000 64 8 280 8
PTBP01E23F-AI 4.400 4.350 3.000 3.200 250 600 ?250 1.000 128 8 280 8
PTBP01E23F-AJ 4.425 4.225 3.300 3.300 50 250 ?50 1.000 64 8 280 8
PTBP01E23F-AK 4.425 4.225 2.500 3.000 250 500 ?250 1.000 128 8 280 8
PTBP01E23F-AL 4.425 4.225 3.000 3.200 150 500 ?150 1.000 64 8 280 8
PTBP01E23F-AM 4.475 4.275 2.500 2.800 55 250 ?55 1.000 64 8 280 8
PTBP01E23F-AN 4.475 4.275 2.500 3.000 150 500 ?150 1.000 64 8 280 8
PTBP01E23F-AO 4.475 4.275 2.500 3.000 250 500 ?250 1.000 64 8 280 8
Part Number 0V Battery Charge Function Sleep Mode ODIP Release Condition ODIP Release Voltage
PTBP01E23F-BA Available No Load Removed VODIP
PTBP01E23F-AA Unavailable No Load Removed VODIP
PTBP01E23F-AB Available Yes Load Removed VODIP
PTBP01E23F-AC Available Yes Load Removed VODIP
PTBP01E23F-AD Available Yes Load Removed VODIP
PTBP01E23F-AE Unavailable No Load Removed VODIP
PTBP01E23F-AF Unavailable No Load Removed VODIP
PTBP01E23F-AG Unavailable Yes Load Removed VODIP
PTBP01E23F-AH Available Yes Load Removed VODIP
PTBP01E23F-AI Available Yes Load Removed VODIP
PTBP01E23F-AJ Available Yes Load Removed VODIP
PTBP01E23F-AK Available No Load Removed VODIP
PTBP01E23F-AL Available No Load Removed VODIR
PTBP01E23F-AM Available No Load Removed VODIR
PTBP01E23F-AN Available No Load Removed VODIP
PTBP01E23F-AO Available No Load Removed VODIP
Table.1 Ordering Part Number’s Optional Parameter (待定)
Note2: Please contact our sales office for the products with detection voltage value other than those specified above.
Note3: **** is refer to package information.
PT6001
Single Cell Li-ion/Polymer Battery Protection IC
CR POWTECH (SHANGHAI) CO., LTD. WWW.CRPOWTECH.COM Page 3 PTBP01_DS_Rev EN 0.1
PIN ASSIGNMENT
PTBP01
1
2
3
6
7
4
VSS
VCC
OD
NC
SOT23-6
CS
OC
Figure2. PTBP01 Pin Configuration of Package
PIN DESCRIPTIONS
PIN NUM
SOT23-6
PIN NAME DESCRIPTIONS
1 OD Output of over-discharge detection
2 CS Pin for charge negative input
3 OC Output of over-charge detection
4 NC No Connection
5 VCC Power supply
6 VSS Ground
ABSOLUTE MAXIMUM RATINGS (NOTE4)
SYMBOL ITEM
Value UNIT Min. Typ. Max.
VCC Input voltage between VCC and GND VGND - 0.3 VGND + 12 V
VCS CS Input voltage VCC - 28 VCC + 0.3 V
VOC OC pin VCS - 0.3 VCC + 0.3 V
VOD OD pin VGND - 0.3 VCC + 0.3 V
PD Power dissipation (SOT23-5) 0.25 W
TOPT Operating temperature -40 85 ℃
TSTG Storage temperature -55 125 ℃
Note4: Exceeding these ratings may damage the device
RECOMMENDED OPERATING RANGE
SYMBOL PARAMETER
VALUE UNIT Min. Typ. Max.
VCC Supply Voltage 2.0 3.7 5.0 V
PT6001
Single Cell Li-ion/Polymer Battery Protection IC
CR POWTECH (SHANGHAI) CO., LTD. WWW.CRPOWTECH.COM Page 4 PTBP01_DS_Rev EN 0.1
ELECTRICAL CHARACTERISTICS
VCC = 4.2V, Ta = 25°C unless otherwise specified
Symbol Parameter Condition Min. Typ. Max. Unit TC1 TC2
VCC Operating input voltage
Voltage between VCC and GND 1.5 6.0
V
Voltage between VCC and CS 1.5 28
V0CHA 0 V battery starting charger voltage 0 V battery charging function 0 0.7 1.5 V 11 2
V0INH 0 V battery stopping charger voltage 0 V battery charge inhibiting function 0.9 1.2 1.5 V 11 2
IDD Supply current VCC=3.9V, VCS=0V 1.5 4.0 μ A 5 2
ISLP Sleep current VCC=2.0V, VCS=VCC 0.2 0.5 μ A 5 2
VOCP Over-charge threshold Detect rising edge of supply voltage
VOCP
-20mV
VOCP
VOCP
+20mV
V 1 1
VOCR Over-charge release threshold VCS=0V
VOCR
-50mV
VOCR
VOCR
+50mV
V 1 1
TOCP Delay of over charge VCC=3.6V to 5.5V 0.7TOCP TOCP 1.3TOCP s 9 5
TOCR Delay of over charge release VCC=5.5V to 3.6V 2.0 ms 9 5
VODP Over-discharge threshold Detect falling edge of supply voltage
VODP
-80mV
VODP
VODP
+80mV
V 2 2
VODR Over-discharge threshold VCS=0V
VODR -100mV
VODR
VODR +100mV
V 2 2
TODP Delay of over-discharge VCC=3.6V to 2.0V 0.7TODP TODP 1.3TODP ms 9 5
TODR Delay of over-discharge release VCC=2.0V to 3.6V 2.0 ms 9 5
TSLP Delay of sleep mode enter VCC=2.0V, VCS= VCC 16 s 9 5
VODIP Excess current threshold Detect rising edge of CS pin voltage
VODIP
-10mV
VODIP
VODIP
+10mV
V 3 2
VODIR Excess current release threshold
VCC
-1.2V
VCC
-0.8V
VCC
-0.5V
V 3 2
TODIP Delay of excess current VCC=3.6V 0.7TODIP TODIP 1.3TODIP ms 10 5
TODIR Delay of excess current release VCC=3.6V 2.0 ms 10 5
VOCIP Excess charging current threshold Detect falling edge of CS pin voltage
VODIP
-20mV
VODIP
VODIP
+20mV
V 4 2
TOCIP Delay of excess charging current VCC=3.6V 0.7TOCIP TOCIP 1.3TOCIP ms 10 5
TOCIR
Delay of excess charging current release
VCC=3.6V 2.0 ms 10 5
VSCP Short current threshold VCC=3.6V
VSCP -100mV
VSCP
VSCP +100mV
V 3 2
TSCP Delay of short current VCC=3.6V 0.7TSP TSCP 1.3TSCP μ s 10 5
TSCR Delay of short current release VCC=3.6V 2.0 ms 10 5
VOL1 Low voltage of OC VCC= VOCP +0.1 0.35 0.50 V
VOH1 High voltage of OC IOL=50μ A, VCC=3.9V 3.4 3.7 V
VOL2 Low voltage of OD IOL=-50μ A, VCC=2V 0.2 0.5 V
VOH2 High voltage of OD IOL=50μ A, VCC=3.9V 3.4 3.7 V
ROCH OC pin resistance “H” VCC=3.9V, VCS=0V, VOC=3.4V 5 10 20 k? 7 4
PT6001
Single Cell Li-ion/Polymer Battery Protection IC
CR POWTECH (SHANGHAI) CO., LTD. WWW.CRPOWTECH.COM Page 5 PTBP01_DS_Rev EN 0.1
Note1. VOCR = VOCP + ΔVOCR
Note2. VODR = VODP + ΔVODR
ROCL OC pin resistance “L” VCC=4.6V, VCS=0V, VOC=0.5V 5 10 20 k? 7 4
RODH OD pin resistance “H” VCC=3.9V, VCS=0V, VOD=3.4V 5 10 20 k? 8 4
RODL OD pin resistance “L” VCC=VCS=2.0V, VOD=0.5V 5 10 20 k? 8 4
RCSC
Resistance between CS pin and VCC pin
VCC=2.0V, VCS=0V 750 1500 3000 k? 6 3
RCSG
Resistance between CS pin and GND pin
VCC=3.6V, VCS=1.0V 10 20 30 k? 6 3
VCHGIN Charger detection voltage
VCC=2.0V, fall CS voltage until chip was waken up
0.7 V
PT6001
Single Cell Li-ion/Polymer Battery Protection IC
CR POWTECH (SHANGHAI) CO., LTD. WWW.CRPOWTECH.COM Page 6 PTBP01_DS_Rev EN 0.1
ELECTRICAL CHARACTERISTICS
VCC = 4.2V, Ta = -20 to 70°C unless otherwise specified (S8261: -40 to 85°C)
Symbol Parameter Condition Min. Typ. Max. Unit TC1 TC2
VCC Operating input voltage
Voltage between VCC and GND 1.5 6.0
V
Voltage between VCC and CS 1.5 28
V0CHA 0 V battery starting charger voltage 0 V battery charging function 0 0.7 1.7 V 11 2
V0INH 0 V battery stopping charger voltage 0 V battery charge inhibiting function 0.7 1.2 1.7 V 11 2
IDD Supply current VCC=3.9V, VCS=0V 1.5 5.0 μ A 5 2
ISLP Sleep current VCC=2.0V, VCS=VCC 0.2 1.0 μ A 5 2
VOCP Over-charge threshold Detect rising edge of supply voltage
VOCP
-50mV
VOCP
VOCP
+50mV
V 1 1
VOCR Over-charge release threshold VCS=0V
VOCR
-80mV
VOCR
VOCR
+80mV
V 1 1
TOCP Delay of over charge VCC=3.6V to 5.5V 0.5TOCP TOCP 2.5TOCP s 9 5
VODP Over-discharge threshold Detect falling edge of supply voltage
VODP -100mV
VODP
VODP +100mV
V 2 2
VODR Over-discharge threshold VCS=0V
VODR -120mV
VODR
VODR +120mV
V 2 2
TODP Delay of over-discharge VCC=3.6V to 2.0V 0.5TODP TODP 2.5TODP ms 9 5
VODIP Excess current threshold Detect rising edge of CS pin voltage
VODIP
-10mV
VODIP
VODIP
+10mV
V 3 2
VODIR Excess current release threshold
VCC
-1.4V
VCC
-0.8V
VCC
-0.3V
V 3 2
TODIP Delay of excess current VCC=3.6V 0.5TODIP TODIP 2.5TODIP ms 10 5
VOCIP Excess charging current threshold Detect falling edge of CS pin voltage
VODIP
-20mV
VODIP
VODIP
+20mV
V 4 2
TOCIP Delay of excess charging current VCC=3.6V 0.5TOCIP TOCIP 2.5TOCIP ms 10 5
VSCP Short current threshold VCC=3.6V
VSCP -100mV
VSCP
VSCP +100mV
V 3 2
TSCP Delay of short current VCC=3.6V 0.5TSP TSCP 2.5TSCP μ s 10 5
ROCH OC pin resistance “H” VCC=3.9V, VCS=0V, VOC=3.4V 2.5 10 30 k? 7 4
ROCL OC pin resistance “L” VCC=4.6V, VCS=0V, VOC=0.5V 2.5 10 30 k? 7 4
RODH OD pin resistance “H” VCC=3.9V, VCS=0V, VOD=3.4V 2.5 10 30 k? 8 4
RODL OD pin resistance “L” VCC=VCS=2.0V, VOD=0.5V 2.5 10 30 k? 8 4
RCSC
Resistance between CS pin and VCC pin
VCC=2.0V, VCS=0V 500 1500 6000 k? 6 3
RCSG
Resistance between CS pin and GND pin
VCC=3.6V, VCS=1.0V 7.5 20 40 k? 6 3
PT6001
Single Cell Li-ion/Polymer Battery Protection IC
CR POWTECH (SHANGHAI) CO., LTD. WWW.CRPOWTECH.COM Page 7 PTBP01_DS_Rev EN 0.1
SIMPLIFIED BLOCK DIAGRAM
Level Shift
Delay
Short
Protection
OD CS
VCC OC
GND
Figure3. PTBP01 Simplified Block Diagram
Test Description
Caution: Unless otherwise specified, the output voltage levels “H” and “L” at OC pin (VOC) and OD pin (VOD) are judged by the
threshold voltage (1.0 V) of the N-channel MOSFET. Judge the OC pin level with respect to VCS and the OD pin level with respect to GND.
1) Overcharge Detection Voltage, Overcharge Release Voltage
(Test Condition 1, Test Circuit 1)
Overcharge detection voltage (VOCP) is defined as the voltage between the VCC pin and GND pin at which VOC goes from “H” to “L” when the voltage V1 is gradually increased from the starting condition of V1 = 3.6 V. Overcharge release voltage (VOCR) is defined as the voltage between the VCC pin and GND pin at which VOC goes from “L” to “H” when the voltage V1 is then gradually decreased. Overcharge hysteresis voltage (VHC) is defined as the difference between overcharge detection voltage (VOCP) and overcharge release voltage (VOCR).
2) Over-discharge Detection Voltage, Over-discharge Release Voltage
(Test Condition 2, Test Circuit 2)
Over-discharge detection voltage (VODP) is defined as the voltage between the VCC pin and GND pin at which VOD goes from “H” to “L” when the voltage V1 is gradually decreased from the starting condition of V1 = 3.6 V, V2 = 0 V. Over-discharge release voltage (VODR) is defined as the voltage between the VCC pin and GND pin at which VOD goes from “L” to “H” when the voltage V1 is then gradually increased. Over-discharge hysteresis voltage (VHD) is defined as the difference between over-discharge release voltage (VODP) and over-discharge detection voltage (VODR).
PT6001
Single Cell Li-ion/Polymer Battery Protection IC
CR POWTECH (SHANGHAI) CO., LTD. WWW.CRPOWTECH.COM Page 8 PTBP01_DS_Rev EN 0.1
3) Discharge Overcurrent Detection Voltage
(Test Condition 3, Test Circuit 2)
Discharge overcurrent detection voltage (VODIP) is defined as the voltage between the CS pin and GND pin whose delay time for changing VOD from “H” to “L” lies between the minimum and the maximum value of discharge overcurrent delay time when the voltage V2 is increased rapidly (within 10 μs) from the starting condition of V1 = 3.6 V, V2 = 0 V.